diff --git a/radicale/__init__.py b/radicale/__init__.py
index 85f5fbc..6dd9545 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -32,6 +32,7 @@ import pkg_resources
 
 from radicale import config, log
 from radicale.app import Application
+from radicale.log import logger
 
 VERSION = pkg_resources.get_distribution("radicale").version
 
@@ -53,7 +54,9 @@ def _init_application(config_path, wsgi_errors):
                 config_path))
             log.set_level(configuration.get("logging", "level"))
             # Log configuration after logger is configured
-            configuration.log_config_sources()
+            for source, miss in configuration.sources():
+                logger.info("%s %s", "Skipped missing" if miss else "Loaded",
+                            source)
             _application = Application(configuration)
 
 
diff --git a/radicale/__main__.py b/radicale/__main__.py
index e2ed260..991a66e 100644
--- a/radicale/__main__.py
+++ b/radicale/__main__.py
@@ -120,7 +120,8 @@ def run():
     log.set_level(configuration.get("logging", "level"))
 
     # Log configuration after logger is configured
-    configuration.log_config_sources()
+    for source, miss in configuration.sources():
+        logger.info("%s %s", "Skipped missing" if miss else "Loaded", source)
 
     if args.verify_storage:
         logger.info("Verifying storage")
diff --git a/radicale/config.py b/radicale/config.py
index a3ef92d..1f2df95 100644
--- a/radicale/config.py
+++ b/radicale/config.py
@@ -31,7 +31,6 @@ from collections import OrderedDict
 from configparser import RawConfigParser
 
 from radicale import auth, rights, storage, web
-from radicale.log import logger
 
 DEFAULT_CONFIG_PATH = os.pathsep.join([
     "?/etc/radicale/config",
@@ -380,6 +379,11 @@ class Configuration:
         """List all options in ``section``"""
         return self._values[section].keys()
 
+    def sources(self):
+        """List all config sources."""
+        return [(source, config is self.SOURCE_MISSING) for
+                config, source, _ in self._configs]
+
     def copy(self, plugin_schema=None):
         """Create a copy of the configuration
 
@@ -408,18 +412,3 @@ class Configuration:
         for config, source, internal in self._configs:
             copy.update(config, source, internal)
         return copy
-
-    def log_config_sources(self):
-        """
-        A helper function that writes a description of all config sources
-        to logger.
-
-        Configs set to ``Configuration.SOURCE_MISSING`` are described as
-        missing.
-
-        """
-        for config, source, _ in self._configs:
-            if config is self.SOURCE_MISSING:
-                logger.info("Skipped missing %s", source)
-            else:
-                logger.info("Loaded %s", source)